EASA AD US-2019-11-03
Flight Controls - Main Slat Track Assemblies - Identification / Replacement
Federal Aviation Administration Airworthiness Directive 2019-11-03 is a final rule addressing certain Boeing 737-700C, -800, and -900ER series airplanes. It mandates inspection and maintenance record checks of main slat track assemblies to identify those affected by hydrogen embrittlement due to incorrect manufacturing. The directive aims to prevent potential failure of the main slat track assemblies that could lead to slat departure and compromise flight safety.